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James Almer 3af2bf0af0 Merge commit '10eb496d9ae94df6f792b0e1d8750738eb3a0952' 
* commit '10eb496d9ae94df6f792b0e1d8750738eb3a0952':
  vaapi_mpeg2: Convert to use coded bitstream infrastructure
  mpeg12: Move finding the best frame rate to common code
  cbs_mpeg2: Add support for picture display extension
  cbs_h265: Fix ranges of prediction weight offsets
  cbs_h265: Fix reading of unknown parameter set extension data
  vaapi_h264: Fix CPB/DPB delays

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Merged-by: James Almer <jamrial@gmail.com>
2017-11-11 14:08:24 -03:00
compat Merge commit '1a7bf48eed806beea7e835b31b06aa6bc94da5da' 2017-11-11 11:31:22 -03:00
doc aptx: add raw muxer and demuxer for aptX 2017-11-10 21:32:06 +00:00
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README.md
RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • ffserver is a multimedia streaming server for live broadcasts.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.